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Finding the Fourth Proportional to 275,449.89, 413,349.60 and 117,679.53

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Solution

The fourth proportional to 275,449.89, 413,349.60 and 117,679.53 is: 176,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,449.89 : 413,349.60 = 117,679.53 : x
  2. Step 2: Convert to fraction form
    275,449.89/413,349.60 = 117,679.53/x
  3. Step 3: Cross multiply
    275,449.89x = 413,349.60 × 117,679.53
  4. Step 4: Simplify right side
    275,449.89x = 48,642,786,653.69
  5. Step 5: Solve for x
    x = 48,642,786,653.69/275,449.89
  6. Step 6: Final answer
    x = 176,593.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.